id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-9296 Great Plains - Wikipedia .html text/html 7208 881 67 It lies west of the Mississippi River tallgrass prairie in the United States and east of the Rocky Mountains in the U.S. and Canada. The term "Great Plains", for the region west of about the 96th and east of the Rocky Mountains, was not generally used before the early 20th century. High Plains – southeastern Wyoming, southwestern South Dakota, western Nebraska (including the Sand Hills), eastern Colorado, western Kansas, western Oklahoma, eastern New Mexico, and northwestern Texas (including the Llano Estacado and Texas Panhandle); The northern section of the Great Plains, north of latitude 44°, including eastern Montana, north-eastern Wyoming, most of North and South Dakota, and the Canadian Prairies, is a moderately dissected peneplain.[citation needed] The Great Plains are part of the floristic North American Prairies Province, which extends from the Rocky Mountains to the Appalachians.[citation needed] The Great Plains contributes substantially to wind power in the United States. ./cache/en-wikipedia-org-9296.html ./txt/en-wikipedia-org-9296.txt